HRS
Encyclopedia : H : HR : HRS : HRS
HRS is a TLA that may stand for:
- the Head-Royce School, a college-preparatory, K-12 school in Oakland, California
- the Health and Retirement Study, conducted by the University of Michigan
- the High Resolution Spectrograph, a spectrograph installed on the Hubble Space Telescope
- the Historical Records Survey, a project of the Works Progress Administration
- Holidaysburg and Roaring Spring Railroad (AAR reporting mark HRS)
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